204397780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{444343}}^1$

素因数の和:444375

約数の個数: 24

約数和(自身を含む): 447898752

約数和(自身を除く): 243500972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 444343, 888686, 1777372, 2221715, 4443430, 8886860, 10219889, 20439778, 40879556, 51099445, 102198890, 204397780]

約数ペア:

[(1, 204397780), (2, 102198890), (4, 51099445), (5, 40879556), (10, 20439778), (20, 10219889), (23, 8886860), (46, 4443430), (92, 2221715), (115, 1777372), (230, 888686), (460, 444343)]